elf_symtab: Remove needless GElf_Ehdr pointer argument from the constructor

We don't need it as we used it only for calling elf_section_by_name(),
that doesn't need it anymore.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Author: acmel

btf_encoder.c

@@ -1312,7 +1312,7 @@ struct btf_encoder *btf_encoder__new(struct cu *cu, const char *detached_filenam
 			goto out_delete;
 		}
 
-		encoder->symtab = elf_symtab__new(NULL, cu->elf, &encoder->ehdr);
+		encoder->symtab = elf_symtab__new(NULL, cu->elf);
 		if (!encoder->symtab) {
 			if (encoder->verbose)
 				printf("%s: '%s' doesn't have symtab.\n", __func__, cu->filename);

ctracer.c

@@ -834,7 +834,7 @@ static int elf__open(const char *filename)
 	if (init == NULL)
 		goto out_elf_end;
 
-	struct elf_symtab *symtab = elf_symtab__new(".symtab", elf, &ehdr);
+	struct elf_symtab *symtab = elf_symtab__new(".symtab", elf);
 	if (symtab == NULL)
 		goto out_elf_end;
 

elf_symtab.c

@@ -15,7 +15,7 @@
 #define HASHSYMS__BITS 8
 #define HASHSYMS__SIZE (1UL << HASHSYMS__BITS)
 
-struct elf_symtab *elf_symtab__new(const char *name, Elf *elf, GElf_Ehdr *ehdr)
+struct elf_symtab *elf_symtab__new(const char *name, Elf *elf)
 {
 	size_t symtab_index;
 

elf_symtab.h

@@ -21,7 +21,7 @@ struct elf_symtab {
 	char	  *name;
 };
 
-struct elf_symtab *elf_symtab__new(const char *name, Elf *elf, GElf_Ehdr *ehdr);
+struct elf_symtab *elf_symtab__new(const char *name, Elf *elf);
 void elf_symtab__delete(struct elf_symtab *symtab);
 
 static inline uint32_t elf_symtab__nr_symbols(const struct elf_symtab *symtab)

libctf.c

@@ -282,7 +282,7 @@ size_t ctf__get_size(struct ctf *ctf)
 
 int ctf__load_symtab(struct ctf *ctf)
 {
-	ctf->symtab = elf_symtab__new(".symtab", ctf->elf, &ctf->ehdr);
+	ctf->symtab = elf_symtab__new(".symtab", ctf->elf);
 	return ctf->symtab == NULL ? -1 : 0;
 }
 

pfunct.c

@@ -432,7 +432,7 @@ int elf_symtab__show(char *filename)
 		goto out_elf_end;
 	}
 
-	struct elf_symtab *symtab = elf_symtab__new(symtab_name, elf, &ehdr);
+	struct elf_symtab *symtab = elf_symtab__new(symtab_name, elf);
 	if (symtab == NULL)
 		goto out_elf_end;